CN213215021U

CN213215021U - Electrostatic spraying device

Info

Publication number: CN213215021U
Application number: CN202021589888.4U
Authority: CN
Inventors: 杨黎明; 庄锷
Original assignee: Jiangsu Supaotian Agricultural Technology Co ltd
Current assignee: Jiangsu Supaotian Agricultural Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-05-18
Anticipated expiration: 2030-08-03

Abstract

The utility model relates to a plant protection spraying technical field, in particular to electrostatic spraying device. The device comprises a liquid medicine pumping system, an air supply system, a mixing system, an electrostatic generation system and an atomization spraying system. The mixing system includes a mixing chamber. The liquid medicine pumping system comprises a medicine box and a medicine pump, the medicine box is communicated to the inlet end of the medicine pump through a liquid medicine pipeline, and the outlet end of the medicine pump is communicated to the first inlet of the mixing chamber through a pumping pipeline. The air supply system comprises a fan and an air supply pipeline, and the air supply end of the fan is communicated with the second inlet of the mixing cavity through the air supply pipeline. The atomization spraying system comprises a spray rod, a plurality of nozzles and a plurality of metering pumps. The utility model discloses the water yield of nozzle is guaranteed to the measuring pump that sets up keeps unanimous, can be more accurate know the water consumption of every machine per mu, reaches the energy-conservation that the country advocated, subtracts the medicine, the water conservation purpose.

Description

Electrostatic spraying device

Technical Field

The utility model relates to a plant protection spraying technical field, in particular to electrostatic spraying device.

Background

The electrostatic spraying method is characterized in that the formed fog drops have charges, so that the utilization rate of the pesticide can be improved to more than 90 percent; and producing an includability effect on the target. The charged fog drops are attracted by the induced charges on the surface of the crops to surround the target body and are deposited on the front surface and the back surface of the target body, so that the prevention and control effect is improved. The deposition mode of the droplets and the deposition position on the target are influenced, the ratio of electrostatic force to gravity is mainly determined, if the electrostatic force is greater than the gravity, the droplets move along the direction of the electric force line and can be deposited on the front side and the back side of the target body; if the electrostatic force is smaller than the gravity, the fog drops settle along the gravity direction, and the shovelling effect is avoided. The air-blowing type spraying technology is widely adopted and is very effective. The air supply type spraying technology adopts a fan to pressurize the liquid medicine, and air flow auxiliary conveying is adopted, so that the penetrability of fog drops can be improved to a certain extent.

However, the existing electrostatic spraying device can only see whether the sprayed water mist is electrified or not by experience, and because of a large number of nozzles, whether each nozzle can be electrified or not cannot be accurately judged. The speeds of the machine modified by electrostatic spraying are different from each other, so that the water yield is inconsistent, the pesticide water consumption per mu cannot be accurately known, and the pesticide dosage cannot be well controlled.

Disclosure of Invention

The utility model aims at overcoming the defects existing in the prior art and providing the electrostatic spraying device which ensures the electrification of the fog drops and saves water and chemicals.

Realize the utility model discloses the technical scheme of purpose is: an electrostatic spraying device comprises a liquid medicine pumping system, an air supply system, a mixing system, an electrostatic generation system and an atomization spraying system. The mixing system includes a mixing chamber. The liquid medicine pumping system comprises a medicine box and a medicine pump, the medicine box is communicated to the inlet end of the medicine pump through a liquid medicine pipeline, and the outlet end of the medicine pump is communicated to the first inlet of the mixing chamber through a pumping pipeline. The air supply system comprises a fan and an air supply pipeline, and the air supply end of the fan is communicated with the second inlet of the mixing cavity through the air supply pipeline. The atomizing and spraying system comprises a spray rod, a plurality of nozzles and a plurality of metering pumps, wherein the spray rod is communicated with the mixing chamber, and the nozzles are arranged on the spray rod through the corresponding metering pumps. The static electricity generation system comprises a high-voltage generator, a direct-current power supply and an electrode, wherein the negative electrode of the high-voltage generator is connected with the electrode, the positive electrode of the high-voltage generator is grounded, the high-voltage generator is also connected with the direct-current power supply, and the electrode is connected into the nozzle.

And further, the device also comprises an electrostatic sensor and an operation control display, wherein the electrostatic sensor is arranged in front of each nozzle, and the electrostatic sensor and the metering pump are connected with the operation control display.

Furthermore, a third inlet communicated with the ultrasonic atomization device is arranged on the mixing chamber.

Further, a medicament adding port is arranged on the mixing chamber.

Further, a check valve is arranged at the top of the mixing chamber.

Further, a fog drop size monitor is arranged at the bottom of the spray rod and connected with an operation control display.

Furthermore, a GPS navigator is arranged at the top of the spray rod and connected with the operation control display.

Further, the nozzle is provided with a shell and an insulating layer from outside to inside, and further comprises an electrode mounting seat, wherein the bottommost part of the nozzle is mounted on the electrode mounting seat.

Furthermore, the outer side of the spray hole of the nozzle is in a circular truncated cone shape, and the inner side of the spray hole of the nozzle is in a hemispherical shape.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses whether the electrostatic sensor who sets up can audio-visually see every nozzle electrified, and it is more convenient to maintain.

(2) The utility model discloses the water yield of nozzle is guaranteed to the measuring pump that sets up keeps unanimous, can be more accurate know the water consumption of every machine per mu, reaches the energy-conservation that the country advocated, subtracts the medicine, the water conservation purpose.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the nozzle of the present invention;

Detailed Description

(example 1)

See fig. 1, the utility model discloses have liquid medicine pumping system, air supply system, hybrid system, static emergence system and atomizing spraying system. The mixing system comprises a mixing chamber 1. The liquid medicine pumping system comprises a medicine box 2 and a medicine pump 3, wherein the medicine box 2 is communicated to an inlet end of the medicine pump 3 through a liquid medicine pipeline 4, and an outlet end of the medicine pump 3 is communicated to a first inlet of the mixing chamber 1 through a pumping pipeline 5. The air supply system comprises a fan 6 and an air supply pipeline 7, and the air supply end of the fan 6 is communicated with the second inlet of the mixing chamber 1 through the air supply pipeline 7. The atomization spraying system comprises a spray rod 8, three nozzles 9 and three metering pumps 10, wherein the spray rod 8 is communicated with the mixing chamber 1, each nozzle 9 corresponds to one metering pump 10, and the metering pumps 10 are arranged on the spray rod 8. The static electricity generation system comprises a high-voltage generator 11, a direct-current power supply 12 and an electrode 13, wherein the negative electrode of the high-voltage generator 11 is connected with the electrode 13, the positive electrode of the high-voltage generator 11 is grounded, the high-voltage generator 11 is also connected with the direct-current power supply 12, and the electrode 13 is connected into the nozzle 9. The device also comprises an electrostatic sensor 14 and an operation control display 15, wherein the electrostatic sensor 14 is arranged in front of each nozzle 9, and the electrostatic sensor 14 and the metering pump 10 are connected with the operation control display 15. The electrostatic sensor 14 is an intelligent electrostatic sensor of ohm dragon, and the model is ZJ-SD. The metering pump 10 is an italian saxite electromagnetic diaphragm metering pump. The mixing chamber 1 is provided with a third inlet which is communicated with the ultrasonic atomization device 20. The mixing chamber 1 is provided with a chemical addition port 16. The top of the mixing chamber 1 is provided with a stop valve 17. Two guide plates are arranged in the mixing chamber 1 at two sides of the bottom corresponding to the check valve 17, a rubber gasket is arranged at the lower end of the check valve 17, and the lower end of the check valve 17 is in press fit sealing with the end parts of the two guide plates. A droplet size monitor 18 is provided at the bottom of the spray bar 8, and the droplet size monitor 18 is connected to the operation control display 15. The top of the spray rod 8 is provided with a GPS navigator 19, and the GPS navigator 19 is connected with the operation control display 15. The nozzle 9 is provided with a shell 91 and an insulating layer 92 from outside to inside, and further comprises an electrode mounting seat 93, wherein the bottommost part of the nozzle 9 is mounted on the electrode mounting seat 93. The outer side of the spray hole of the nozzle 9 is in a circular truncated cone shape, and the inner side is in a hemispherical shape.

The utility model discloses a theory of operation does: the liquid medicine passes through the medicine pump 3 from the medicine chest 2 to the mixing chamber 1 through the liquid medicine pipeline 4, and under the effect of the fan 6, the liquid medicine in the mixing chamber 1 enters the spray lance 8. The ultrasonic atomizer 20 atomizes the liquid medicine. After the power is switched on, the electrodes 13 form a high-voltage electrostatic field between the vicinity of each nozzle outlet and crops, so that the liquid medicine is atomized and charged. Can move towards the crop in a directional way, so that the front and the back of the crop can absorb the fog drops. The electrostatic sensor 14 can monitor whether each nozzle 9 is electrified at any time, and the maintenance is more convenient. The metering pump 10 ensures that the water yield of the nozzle 9 is kept consistent, the water consumption of each machine per mu can be known more accurately, and the aims of energy conservation, drug reduction and water conservation advocated by the country are fulfilled. A chemical addition port 16 is provided in the mixing chamber 1 for adding the powdery medicine. The droplet size monitor 18 operates the control display 15 to provide an alarm when the droplet size is outside a predetermined size range. The GPS navigator 19 monitors the spraying path of the liquid medicine to prevent more or less spraying. After the power is cut off, the stop valve 17 is closed to prevent the liquid medicine from flowing back, and the service life of the machine is prolonged.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An electrostatic spraying device comprises a liquid medicine pumping system, an air supply system, a mixing system, an electrostatic generating system and an atomizing and spraying system; the method is characterized in that:

the mixing system comprises a mixing chamber (1);

the liquid medicine pumping system comprises a medicine box (2) and a medicine pump (3), wherein the medicine box (2) is communicated to the inlet end of the medicine pump (3) through a liquid medicine pipeline (4), and the outlet end of the medicine pump (3) is communicated to the first inlet of the mixing chamber (1) through a pumping pipeline (5);

the air supply system comprises a fan (6) and an air supply pipeline (7), and the air supply end of the fan (6) is communicated with the second inlet of the mixing chamber (1) through the air supply pipeline (7);

the atomizing and spraying system comprises a spray rod (8), a plurality of nozzles (9) and a plurality of metering pumps (10), the spray rod (8) is communicated with the mixing chamber (1), and the nozzles (9) are installed on the spray rod (8) through the corresponding metering pumps (10);

the static electricity generation system comprises a high-voltage generator (11), a direct-current power supply (12) and an electrode (13), wherein the negative electrode of the high-voltage generator (11) is connected with the electrode (13), the positive electrode of the high-voltage generator (11) is grounded, the high-voltage generator (11) is further connected with the direct-current power supply (12), and the electrode (13) is connected into the nozzle (9).

2. An electrostatic spraying device according to claim 1, wherein: still include electrostatic sensor (14) and operation control display (15), every all be provided with electrostatic sensor (14) before nozzle (9), electrostatic sensor (14) and measuring pump (10) all are connected with operation control display (15).

3. An electrostatic spraying device according to claim 1, wherein: and a third inlet which is communicated with the ultrasonic atomization device (20) is arranged on the mixing chamber (1).

4. An electrostatic spraying device according to claim 1, wherein: the mixing chamber (1) is provided with a medicament adding port (16).

5. An electrostatic spraying device according to claim 1, wherein: and a check valve (17) is arranged at the top of the mixing chamber (1).

6. An electrostatic spraying device according to claim 2, wherein: and a fog drop size monitor (18) is arranged at the bottom of the spray rod (8), and the fog drop size monitor (18) is connected with an operation control display (15).

7. An electrostatic spraying device according to claim 2, wherein: the top of the spray rod (8) is provided with a GPS navigator (19), and the GPS navigator (19) is connected with the operation control display (15).

8. An electrostatic spraying device according to claim 1, wherein: the nozzle (9) is provided with a shell (91) and an insulating layer (92) from outside to inside, and further comprises an electrode mounting seat (93), wherein the bottommost part of the nozzle (9) is mounted on the electrode mounting seat (93).

9. An electrostatic spraying device according to claim 1, wherein: the outer side of the spray hole of the spray nozzle (9) is in a circular truncated cone shape, and the inner side of the spray hole is in a hemispherical shape.